227199481 has 2 divisors, whose sum is σ = 227199482. Its totient is φ = 227199480.

The previous prime is 227199463. The next prime is 227199517. The reversal of 227199481 is 184991722.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171845881 + 55353600 = 13109^2 + 7440^2 .

It is a cyclic number.

It is not a de Polignac number, because 227199481 - 2⁵ = 227199449 is a prime.

It is a super-2 number, since 2×227199481² = 103239208333338722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (227199431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113599740 + 113599741.

It is an arithmetic number, because the mean of its divisors is an integer number (113599741).

Almost surely, 2^227199481 is an apocalyptic number.

It is an amenable number.

227199481 is a deficient number, since it is larger than the sum of its proper divisors (1).

227199481 is an equidigital number, since it uses as much as digits as its factorization.

227199481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 43.

The square root of 227199481 is about 15073.1377290861. The cubic root of 227199481 is about 610.1956561298.

The spelling of 227199481 in words is "two hundred twenty-seven million, one hundred ninety-nine thousand, four hundred eighty-one".